<template>
  <!-- 表单 -->
  <el-form ref="formData" :rules="rules" :model="formData" label-width="120px">
    <el-form-item label="姓名" prop="username">
      <el-input v-model="formData.username" style="width: 80%" placeholder="请输入姓名" />
    </el-form-item>
    <el-form-item label="手机" prop="mobile">
      <el-input v-model="formData.mobile" style="width: 80%" placeholder="请输入手机号" />
    </el-form-item>
    <el-form-item label="入职时间" prop="timeOfEntry">
      <el-date-picker v-model="formData.timeOfEntry" type="date" value-format="yyyy-MM-dd" style="width: 80%" placeholder="请选择入职时间" />
    </el-form-item>
    <el-form-item label="聘用形式" prop="formOfEmployment">
      <el-select v-model="formData.formOfEmployment" style="width: 80%" placeholder="请选择">
        <el-option v-for="item in hireType" :key="item.id" :label="item.value" :value="item.id" />
      </el-select>
    </el-form-item>
    <el-form-item label="工号" prop="workNumber">
      <el-input v-model="formData.workNumber" disabled style="width: 80%" placeholder="请输入工号" />
    </el-form-item>
    <el-form-item label="部门" prop="departmentName">
      <el-input v-model="formData.departmentName" style="width: 80%" placeholder="请选择部门" @focus="loadDepartmens()" />
      <!-- 树形结构展示所有的部门 -->
      <el-tree v-if="departments.length" :data="departments" :props="{ label: 'name' }" default-expand-all @node-click="hNodeClick" />
    </el-form-item>
    <el-form-item label="转正时间" prop="correctionTime">
      <el-date-picker v-model="formData.correctionTime" value-format="yyyy-MM-dd" style="width: 80%" placeholder="请选择转正时间" />
    </el-form-item>
    <el-form-item>
      <el-button @click="hCancel">取消</el-button>
      <el-button type="primary" @click="hSubmit">确定</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import constant from '@/constant/employees'
import { getDepartMentList } from '@/api/departments'
import { transListToTreeData } from '@/utils'
import { addEmployee } from '@/api/employees'
export default {
  name: 'EmpDialog',

  data() {
    // 转正时间的校验规则
    const validateMobile = (rule, value, cb) => {
      // console.log('转正时间:', +new Date(value))
      // console.log('入职时间:', +new Date(this.formData.timeOfEntry))
      if (+new Date(this.formData.timeOfEntry) > +new Date(value)) {
        cb(new Error('转正时间不能小于入职时间'))
      } else {
        cb()
      }
    }
    return {
      formData: {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentId: '', // 部门
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      hireType: constant.hireType, // 聘用类型
      departments: [], // 部门的数据
      // 表单验证
      rules: {
        username: [
          { required: true, message: '用户姓名不能为空', trigger: 'blur' },
          { min: 1, max: 4, message: '用户姓名为1-4位', trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: 'blur' },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: 'blur' }
        ],
        formOfEmployment: [{ required: true, message: '聘用形式不能为空', trigger: 'change' }],
        // workNumber: [{ required: true, message: '工号不能为空', trigger: 'blur' }],
        departmentName: [{ required: true, message: '部门不能为空', trigger: 'change' }],
        timeOfEntry: [{ required: true, message: '请选择入职时间', trigger: 'change' }],
        // 转正时间不能小于入职时间
        correctionTime: [
          { required: true, message: '请选择转正时间', trigger: 'change' },
          { required: true, validator: validateMobile, trigger: 'change' }
        ]
      }
    }
  },

  created() {},

  methods: {
    // 获取所有的部门信息
    async loadDepartmens() {
      // 如果有部门的数据，就不需要再去发请求
      if (this.departments.length) return
      // 发请求拿部门信息
      const { data } = await getDepartMentList()
      data.shift() // 先把第一个数据删除了
      // 拿到的部门数据需要转为树形结构
      this.departments = transListToTreeData(data, 1)
    },
    // 点击tree组件
    hNodeClick(data) {
      // console.log(data.id)
      // 先判断是否有子部门，如果有子部门父部门是不被允许写入输入框的
      if (data.children.length) return
      this.formData.departmentId = data.id
      this.formData.departmentName = data.name
      this.departments = []
    },
    // 点击表单的确定
    async hSubmit() {
      // 兜底校验
      await this.$refs.formData.validate()
      // console.log(this.formData)
      try {
        // 发请求
        const res = await addEmployee(this.formData)
        // console.log(res)
        // 提示用户
        this.$message.success(res.message)
        // 处理添加成功之后的页码值跳转的问题
        // 渲染页面
        this.$emit('successChange')
      } catch (error) {
        this.$message.error(error.message)
      }
    },
    // 点击取消
    hCancel() {
      this.formData = {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentId: '', // 部门
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      }
      // this.$nextTick(() => {

      // })
      this.$refs.formData.resetFields()
      this.departments = []
    }
  }
}
</script>

<style lang="scss" scoped>
.el-tree {
  width: 360px;
  user-select: none;
}
</style>
